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1.
BMJ Open ; 11(12): e050525, 2021 12 14.
Article in English | MEDLINE | ID: covidwho-1583110

ABSTRACT

OBJECTIVE: To explore the potential impact of the first wave of COVID-19 pandemic on all cause and cause-specific mortality in Norway. DESIGN: Population-based register study. SETTING: The Norwegian cause of Death Registry and the National Population Register of Norway. PARTICIPANTS: All recorded deaths in Norway from March to May from 2010 to 2020. MAIN OUTCOME MEASURES: Rate (per 100 000) of all-cause mortality and causes of death in the European Shortlist for Causes of Death from March to May 2020. The rates were age standardised and adjusted to a 100% register coverage and compared with a 95% prediction interval (PI) from linear regression based on corresponding rates for 2010-2019. RESULTS: 113 710 deaths were included, of which 10 226 were from 2020. We did not observe any deviation from predicted total mortality. There were fewer than predicted deaths from chronic lower respiratory diseases excluding asthma (11.4, 95% PI 11.8 to 15.2) and from other non-ischaemic, non-rheumatic heart diseases (13.9, 95% PI 14.5 to 20.2). The death rates were higher than predicted for Alzheimer's disease (7.3, 95% PI 5.5 to 7.3) and diabetes mellitus (4.1, 95% PI 2.1 to 3.4). CONCLUSIONS: There was no significant difference in the frequency of the major causes of death in the first wave of the 2020 COVID-19 pandemic in Norway compared with corresponding periods 2010-2019. There was an increase in diabetes mellitus and Alzheimer's deaths. Reduced mortality due to some heart and lung conditions may be linked to infection control measures.


Subject(s)
COVID-19 , Pandemics , Cause of Death , Communicable Disease Control , Humans , Norway/epidemiology , SARS-CoV-2
2.
Tidsskr Nor Laegeforen ; 140(2)2021 02 02.
Article in English, Norwegian | MEDLINE | ID: covidwho-1110519

ABSTRACT

BACKGROUND: Cardiovascular disease and cancer have been described as possible risk factors for COVID-19 mortality. The purpose of this study was to investigate whether a history of cardiovascular disease or cancer affects the risk of dying after a COVID-19 diagnosis in Norway. MATERIAL AND METHOD: Data were compiled from the Norwegian Surveillance System for Communicable Diseases, the Norwegian Cardiovascular Disease Registry and the Cancer Registry of Norway. Univariable and multivariable regression models were used to calculate both relative and absolute risk. RESULTS: In the first half of 2020, 8 809 people tested positive for SARS-CoV-2 and 260 COVID-19-associated deaths were registered. Increasing age, male sex (relative risk (RR): 1.5; confidence interval (CI): 1.2-2.0), prior stroke (RR: 1.5; CI: 1.0-2.1) and cancer with distant metastasis at the time of diagnosis (RR: 3.0; CI: 1.1-8.2) were independent risk factors for death after a diagnosis of COVID-19. After adjusting for age and sex, myocardial infarction, atrial fibrillation, heart failure, hypertension, and non-metastatic cancer were no longer statistically significant risk factors for death. INTERPRETATION: The leading risk factor for death among individuals who tested positive for SARS-CoV-2 was age. Male sex, and a previous diagnosis of stroke or cancer with distant metastasis were also associated with an increased risk of death after a COVID-19 diagnosis.


Subject(s)
COVID-19/mortality , Cardiovascular Diseases/complications , Neoplasms/complications , Female , Humans , Male , Norway/epidemiology , Risk Factors
3.
Tidsskrift for Den Norske Laegeforening ; 140(11):1100-1100, 2020.
Article | Web of Science | ID: covidwho-757674
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